Calling it an exercise in imagination, seismologist Carl Tape stopped at the site of Dome City and the former townsite of ...

Perched on the edge of the continent where land surrenders to the mighty Pacific, Point Reyes Lighthouse stands as California’s most dramatically positioned maritime sentinel. This isn’t just another ...

Carl Tape's midsummer trek through ghost towns and newspaper clippings brings new insights to an earthquake nearly erased by time.

While California and Alaska dominate conversations about earthquakes in the U.S., there's another seismic threat that could ...

Welcome to your weekly seismic update from across the state, brought to you by the Alaska Earthquake Center, where we monitor ...

A fault line that could unleash a major earthquake is not where scientists thought it was. New research found the Concord Fault is about a quarter mile west of where it was originally mapped.

The fault has moved the curbs as much as a handspan, around 18 centimeters, since the time they were installed, up to 60 ...

The number and size of Texas quakes increased dramatically around 2010 when well injection became the common disposal method.

Scientists discover enormous pockets of salty brine beneath the Pacific Ocean, key to understanding periodic underwater ...

A moderately strong, 5.1-magnitude earthquake struck in Iran on Friday, according to the United States Geological Survey. The temblor happened at 9:19 p.m. Iran time about 22 miles southwest of ...

This is a repost from the archives, an older post by Henrik which has been updated to reflect more recent findings. Did you know there are 255 volcanoes or volcanic features listed in the US?